Amebis/GEANTLink
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MSCHAPv2 development continues...

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This commit is contained in:
Simon Rozman 2016-09-04 21:51:40 +02:00
parent cbb35ffaef
commit c9b192932b
3 changed files with 16 additions and 7 deletions
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1
lib/EAPBase/src/Method.cpp
View File

@ -165,6 +165,7 @@ void eap::method_noneap::append_avp(_In_ unsigned int code, _In_ unsigned int ve
*(unsigned int*)hdr.code = htonl(code);
hdr.flags = flags | diameter_avp_flag_vendor;
hton24(size_outer, hdr.length);
*(unsigned int*)hdr.vendor = htonl(vendor_id);
m_packet_res.insert(m_packet_res.end(), (unsigned char*)&hdr, (unsigned char*)(&hdr + 1));
// Data

2
lib/MSCHAPv2/include/MSCHAPv2.h
View File

@ -71,7 +71,7 @@ namespace eap
struct __declspec(novtable) challenge_mschapv2 : public sanitizing_blob_xf<16>
{
///
/// Generate challenge random
/// Generates random challenge
///
/// \param[in] cp Handle of the cryptographics provider
///

20
lib/MSCHAPv2/src/Method.cpp
View File

@ -109,20 +109,28 @@ void eap::method_mschapv2::process_request_packet(
sanitizing_string identity_utf8;
WideCharToMultiByte(CP_UTF8, 0, m_cred.m_identity.c_str(), (int)m_cred.m_identity.length(), identity_utf8, NULL, NULL);
// Calculate Peer-Challenge and Response
m_challenge_client.randomize(m_cp);
m_nt_resp = nt_response(m_cp, m_challenge_server, m_challenge_client, identity_utf8.c_str(), m_cred.m_password.c_str());
// Prepare MS-CHAP2-Response
sanitizing_blob response;
response.push_back(m_ident); // Ident
response.reserve(
1 + // Ident
1 + // Flags
sizeof(challenge_mschapv2) + // Peer-Challenge
8 + // Reserved
sizeof(nt_response)); // Response
response.push_back(m_ident);
response.push_back(0); // Flags
m_challenge_client.randomize(m_cp);
response.insert(response.end(), (unsigned char*)&m_challenge_client, (unsigned char*)(&m_challenge_client + 1)); // Peer-Challenge
response.insert(response.end(), 8, 0); // Reserved
m_nt_resp = nt_response(m_cp, m_challenge_server, m_challenge_client, identity_utf8.c_str(), m_cred.m_password.c_str());
response.insert(response.end(), (unsigned char*)&m_nt_resp, (unsigned char*)(&m_nt_resp + 1)); // NT-Response
// Diameter AVP (User-Name=1, MS-CHAP-Challenge=11/311, MS-CHAP2-Response=25/311)
append_avp( 1, diameter_avp_flag_mandatory, identity_utf8.data(), (unsigned int)identity_utf8.size() );
append_avp(11, 311, diameter_avp_flag_mandatory, (unsigned char*)&m_challenge_server , (unsigned int)sizeof(m_challenge_server));
append_avp(25, 311, diameter_avp_flag_mandatory, response.data() , (unsigned int)response.size() );
append_avp( 1, diameter_avp_flag_mandatory, identity_utf8.data(), (unsigned int )identity_utf8.size() );
append_avp(11, 311, diameter_avp_flag_mandatory, (unsigned char*)&m_challenge_server , (unsigned char)sizeof(m_challenge_server));
append_avp(25, 311, diameter_avp_flag_mandatory, response.data() , (unsigned char)response.size() );
m_phase = phase_challenge_server;
break;